2011 - 11.9%

The 2011 11.9% is the baseline measurement.

2012 - 12.6%

The 2012 increase to 12.6% from 2011 represents a 0.7% increase YoY.

2013 - 14.1%

The 2013 increase to 14.1% from 2012 represents a 1.5% increase YoY.

2014 - 10.7%

The 2014 decrease to 10.7% from 2013 represents a -3.4% decrease YoY.

2015 - 11.3%

The 2015 increase to 11.3% from 2014 represents a 0.6% increase YoY.

2016 - 12.6%

The 2016 increase to 12.6% from 2015 represents a 1.3% increase YoY.

2017 - 10.1%

The 2017 decrease to 10.1% from 2016 represents a -2.5% decrease YoY.

2018 - 10.9%

The 2018 increase to 10.9% from 2017 represents a 0.8% increase YoY.

2019 - 12%

The 2019 increase to 12% from 2018 represents a 1.1% increase YoY.

2021 - 10.8%

The 2021 decrease to 10.8% from 2019 represents a -1.2% decrease YoY.

2022 - 8.6%

The 2022 decrease to 8.6% from 2021 represents a -2.2% decrease YoY.

2023 - 8.7%

The 2023 increase to 8.7% from 2022 represents a 0.1% increase YoY.